CVE-2026-91711

HighCVSS 8.8/10Last modified Sep 17, 2026

Description

Out of bounds write in ServiceWorker in Google Chrome prior to 153.0.8010.47 allowed a remote attacker to execute arbitrary code inside the sandbox via a crafted HTML page. (Chromium security severity: High)

Metrics

CVSS 3.1 8.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

No affected versions have been published.

Timeline

Published
Sep 15, 2026
Last modified
Sep 17, 2026
NVD status
Analyzed

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CVE-2026-91711: High severity, CVSS 8.8 | Vulnix